Alright, let's work through 9807 times 1402 step by step
9807 × 1402 = 1402 × (9807)
+ 1402 × 7 giving us 9814
+ 1402 × 00 producing 0
+ 1402 × 800 that equals 1121600
+ 1402 × 9000 which equals 12618000

= 13749414
